Gaobot.QBQ

It spreads and affects other computers.
It captures certain information entered or saved by the user, with the corresponding threat to privacy.
It carries out actions that decrease the security level of the computer.
It uses stealth techniques to avoid being detected by the user.
It spreads
, via mapped drives, through shared network resources.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:

Nov. 6, 2007

Detection updated on:

Nov. 6, 2007

Statistics

No

Brief Description

Gaobot.QBQ is a worm that spreads by copying itself, without infecting other files.

It captures certain information entered or saved by the user, with the corresponding threat to privacy:
passwords saved by certain Windows services.

It sends the gathered information to a remote user by any available means: email, FTP, etc.

It reduces the security level of the computer:
it terminates processes belonging to security tools, such as antivirus programs and firewalls, leaving the computer defenseless against attacks from other malware; it listens on open ports in order to control the computer remotely; it awaits remote-control orders received through
IRC, HTTP, or FTP.

It uses stealth techniques to avoid being detected by the user:

It deletes the original file from which it was run once it is installed on the computer.

Gaobot.QBQ uses the following propagation or distribution methods:

Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.